TY  - JOUR
AU  - Herrero, Domingo A.
TI  - On the Essential Spectra of Quasisimilar Operators
JO  - Canadian journal of mathematics
PY  - 1988
SP  - 1436
EP  - 1457
VL  - 40
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1988-066-x/
DO  - 10.4153/CJM-1988-066-x
ID  - 10_4153_CJM_1988_066_x
ER  -